Transcript for Man Shot in the Head Awakens From Coma for Thanksgiving

It was a Saturday after a hollow when they were still parties in this city news son Benjamin -- and an obstacle. In the early morning hours of October 28 and -- -- I got the phone call every parent fears. His son Benjamin was at San Francisco General Hospital in critical condition. His parents on being wheeled into surgery and I just one -- him and that couldn't. Do you remember that thing. He didn't couldn't you could -- The 21 year old was leaving -- Halloween party at fort Mason. When a stranger police identified as -- -- made inappropriate advances toward his girlfriend. The man shot Benjamin in the head after -- went to her defense. At one point doctor said his brain wound was so severe they gave him only a 25% chance of living. He was in a medically induced coma for almost a month but the young man was fighting silently for his life he was making small but significant victories. Four days ago as they took -- breathing tube off his mouth he uttered his first words. I went in there and I told him could you say hi mom and he says hi mom. And that was hurt brought me to tears. Benjamin was transferred to UC San Francisco yesterday -- today another giant step literate. Today. -- and the young man took his first steps. Prisoners calls it miraculous. And. It's very amazing it's it's pretty rare. He's -- he's. A pretty good fighter -- think. You -- -- team moves in and giving your -- -- then. Benjamin is close knit family is now enjoying tender moments with him is optimistic that he'll recover -- everyone's. In -- smile. Police -- truck won't affect that Benjamin is now even able to smile at his brother's jokes but look at -- now pay about kindergarten. It is strong as a miracle. It is the -- a couple of things didn't -- ABC 7 NEWS.

This transcript has been automatically generated and may not be 100% accurate.

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